This is a rare AC part for trunk or boot mounted evaporators; the sleeve that passes through rear shelf; evaporator hose fits on bottom, a vent or elbow fits on top..Please contact me with questions or for free advice. 1954JAGUARS or 1954JAGPART. I hav 14 hundred items on my eBay store, Old English Motor Company. Please go to my store, then click on my Jaguar Etype XKE Parts section, for more  parts. .SHIPPING; The US rate given is  FedEx; Out f the US is Fedex. NOTE; I am now located in  Sebring, the Heart of Old Florida..Thank you, James Dean thejaguru. Note,  Contact me with an address for direct overseas shipping